Gree GJC12AG-E6RNB3A User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models: GJC12AG-E6RNB3A
GJC12AG-E6DRNB9A
GJC12AG-E6DRNC9A
GJC12AG-E6DRNC2A
(Refrigerant:R32)

Service Manual
Table of Contents
Table of Contents
Part Ⅰ:Technical Information .....................................................................1
1.Summary..............................................................................................................1
2.Specications ...................................................................................................2
3.Outline Dimension Diagram......................................................................4
4.Refrigerant System Diagram ....................................................................5
5.Electrical Part....................................................................................................6
5.1 Wiring Diagram ...................................................................................................6
5.2 PCB Printed Diagram..........................................................................................7
6.Function and Control....................................................................................9
6.1 Introduction of Control Panel...............................................................................9
6.2 Introduction of Remote Controller .....................................................................10
6.3 Function Introduction.........................................................................................13
Part Ⅱ:Installation and Maintenance....................................................15
7.Notes for Installation and Maintenance............................................15
8.Installation ........................................................................................................18
8.1 Installation Precaution.......................................................................................18
8.2 Location.............................................................................................................18
8.3 How to Install.....................................................................................................18
8.4 Installation Procedure .......................................................................................18
8.5 Installation Assistance.......................................................................................18
8.6 Drain Water .......................................................................................................19
8.7 Notes for Installation .........................................................................................19
9.Maintenance.....................................................................................................20
9.1 Malfunction Analysis..........................................................................................20
9.2 Flashing LED of Indoor/Outdoor Unit and Primary Judgement.........................25
10.Exploded View and Parts List..............................................................35
11.Removal Procedure...................................................................................38
Appendix:..............................................................................................................44
Appendix 1: Reference Sheet of Celsius and Fahrenheit .......................................44
Appendix 2: List of Resistance for Ambient Temperature Sensor...........................45

Service Manual
Technical Information 1
1.Summary
Remote Controller:
Models:
GJC12AG-E6RNB3A GJC12AG-E6DRNB9A
GJC12AG-E6DRNC9A GJC12AG-E6DRNC2A
YX1F
Part Ⅰ:Technical Information
AUTO
COOL
DRY
FAN
HEAT
T-ON T-OFF
SWING
SLEEP
LOCK
SPEED
+
_
ON/OFF
FAN SWING
SLEEP TIMER
MODE

Service Manual
Technical Information
2
2.Specications
Model GJC12AG-E6DRNB9A GJC12AG-E6DRNC9A
GJC12AG-E6RNB3A GJC12AG-E6DRNC2A
Product Code CC055024400 CC055026600
CC055009800 CC055034200
Power
Supply
Rated Voltage V~ 220~240
Rated Frequency Hz 50
Phases 1
Cooling Capacity W 3650
Heating Capacity W /
Cooling Power Input W 1030
Heating Power Input W /
Cooling Current Input A 4.6
Heating Current Input A /
Rated Input W 1300
Rated Current A 6.5
Air Flow Volume(H/M/L) m3/h 480/430/380
Dehumidifying Volume L/h 1.6
EER WW 3.54
COP W/W /
Application Area m216-24
Climate Type T1
Isolation I
Moisture Protection IPX4
Design Pressure Hi. Side MPa 4.3
Design Pressure Low Side MPa 2.5
Dimension (WXHXD) mm 660X428X700
Dimension of Carton Box (LXWXH) mm 790X736X490
Dimension of Package (LXWXH) mm 793X739X505
Net Weight kg 50
Gross Weight kg 54
Refrigerant R32
Refrigerant Charge kg 0.63
Indoor Side
Fan Type Centrifugal
Fan Diameter Length(DXL) mm Φ193.1X80.9
Cooling Speed r/min 870/800/730
Heating Speed r/min /
Fan Motor Power Output W 100
Fan Motor RLA A 0.51
Fan Motor Capacitor μF 4
Electric Heating Power Input W /
Evaporator Form Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ7
Evaporator Row-n Gap mm 3-1.3
Evaporator Coil Length (LXDXW) mm 401X38.1X381
Swing Motor Model MP28ED
Swing Motor Power Output W 4
Fuse Current A 3.15
Sound Pressure Level (H/M/L) dB (A) 50/48/46
Sound Power Level (H/M/L) dB (A) 59/57/55

Service Manual
Technical Information 3
The above data is subject to change without notice; please refer to the nameplate of the unit.
Outdoor
Side
Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD
Compressor Model QXF-B096zC190
Compressor Oil FW68DA or equivalent
Compressor Type Rotary
Compressor LRA. A /
Compressor RLA A 4.5
Compressor Power Input W 940
Compressor Overload Protector 1NT11L-6233/KSD115oC/HPC115/95U1
Throttling Method Capillary
Set Temperature Range oC 16~30
Cooling Operation Ambient Temperature
Range
oC 16~43
Heating Operation Ambient Temperature
Range
oC /
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ5+Φ7
Condenser Rows-n Gap mm 3-1.3+1-1.5
Condenser Coil Length (LXDXW) mm 685X34.2X381+578X12.7X76.2
Fan Motor Speed (H/M/L) rpm 870/800/730
Fan Motor Power Output W 100
Fan Motor RLA A 0.51
Fan Motor Capacitor μF 4
Outdoor Unit Air Flow Volume CFM 1200
Fan Type Axial-ow
Fan Diameter mm Φ391
Sound Pressure Level (H/M/L) dB (A) 58/56/54
Sound Power Level (H/M/L) dB (A) 65/63/61
Defrosting Method /

Service Manual
Technical Information
4
3.Outline Dimension Diagram
Unit:mm
660
Fence or
Likewise
Less than
220 mm
Over
500mm
Over
500mm
Over
500mm
Note: There must be no barriers within 1m in front of it
.
700
428
Note:Take B3 Panel for example.

Service Manual
Technical Information 5
4.Refrigerant System Diagram
HOT DISCHARGED AIR
OUTDOOR COILS
AXIAL FAN
COMPRESSOR
REFRIGERANT FLOW DIRECTION
CAPILLARY
CENTRIFUGAL
OR CROSS FAN
INDOOR COILS
COOLED AIR

Service Manual
Technical Information
6
5.Electrical Part
5.1 Wiring Diagram
●Electric Diagram
●Instruction
Symbol Symbol Color Symbol Symbol Color Symbol Name
WH White GN Green CAP. Capacitor
YE Yellow BN Brown COMP Compressor
RD Red BU Blue Grounding wire
YEGN Yellow-Green BK Black / /
;
)$1
3(
:
9
8
1
$&/
$3
%1
0
%8
<(*1
%8 <( 5'
&203
&203
)$102725
&1
:
9
8
&/$3%2$5'
<(*1

;7

29(5/2$'
5'
29&&203
6$7
5'
:$51,1*
. .
.
&1
57 57 57
:+ %.
7(036(1625
28778%(
2875220
7(036(1625
(;+$867
7(036(1625

&$3

/1

+
0
0$,1%2$5'
;
;
%.
<(
%8 :+

3527(&725
3(


7(50,1$/
%2$5'
έ
67(33,1*
02725
1
/
:+%8
*1<(*1
32:(5
%.%1
%1
5'
5220
78%( 6(1625
78%(7(03
6(1625
507(03
&1
$3
',63/$<
%2$5'
(/(&75,&%2;
3( 3(
<(*1 3(
3(
0
&210
Please don't touch any terminal
when the voltage of terminal
P(DC+) and N(DC-) at AP1 is
higher than 30V to prevent the risk
of electric shock !
These wiring diagrams are subject to change without notice; please refer to the one supplied with the unit.
6361000030401

Service Manual
Technical Information 7
5.2 PCB Printed Diagram
5.2.1 Silk screen on main board
●Top view
●Bottom view
1
2
34
5
67
1Interfaces for neutral wire, live wire and earthing
wire 5 U\V\W interface of compressor
2 Communication interface 6 Interface of AC fan
3 Interface of temperature sensor 7 Interface of 4-way valve (reserved)
4 Interface of overload protection of compressor

Service Manual
Technical Information
8
5.2.2 Silk screen on display board
●Top view
●Bottom view
1
2
3
4
56
78
9
1 Terminal of swing motor
2Terminals connected
with main board
3Interface of temperature
sensor
4 Buttons
5 LED indicator
6 Infrared receiver
7 Buzzer
8 dual-8 nixie tube display
9 Buttons